Alert archive / Wisconsin / Special Weather Statements in 2017
Special Weather Statement, NWS Milwaukee, WI
NWS Milwaukee, WI issued this special weather statement at Jul 5, 2017, 8:41 PM CDT for Iowa County, Wisconsin. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 5, 2017, 8:41 PM CDT (01:41 UTC)
- Expired
- Jul 5, 2017, 9:15 PM CDT
- In force
- 34 min
- Issued by
- NWS Milwaukee, WI
County Iowa County, WI
The radar
The La Crosse radar (KARX), 115 km from the middle of the area, began a volume at 01:44 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 1.7 hours before the alert went out and 185 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 476 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 1274 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Milwaukee, WI wrote its last area forecast discussion before this special weather statement went out at Jul 5, 6:10 PM CDT, 2 hours 31 minutes earlier.
Area forecast discussion, Jul 5, 6:10 PM CDT, 2 hours 31 minutes before
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</html>Hazardous weather outlook, Jul 5, 3:47 PM CDT, 4 hours 54 minutes before
Hazardous Weather Outlook National Weather Service Milwaukee/Sullivan WI 347 PM CDT Wed Jul 5 2017 WIZ046-047-051-052-056>060-062>072-062100- Marquette-Green Lake-Fond Du Lac-Sheboygan-Sauk-Columbia-Dodge- Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee- Lafayette-Green-Rock-Walworth-Racine-Kenosha- 347 PM CDT Wed Jul 5 2017 This Hazardous Weather Outlook is for portions of east central Wisconsin, south central Wisconsin, and southeast Wisconsin. .DAY ONE...Tonight Thunderstorms are possible late this afternoon into the evening hours. Gusty winds to 40 mph, small hail to the size of pennies and heavy rainfall are possible with these storms. .DAYS TWO THROUGH SEVEN...Thursday through Wednesday Severe thunderstorms are expected for late Thursday afternoon into Thursday night. The primary threats will be damaging wind to 70 mph and large hail to the size of golf balls. A tornado or two can not be ruled out as well. There also is a chance of thunderstorms on Sunday night. .SPOTTER INFORMATION STATEMENT... Spotter reports of heavy rainfall, small hail and gusty winds are appreciated into tonight. Spotter activation will likely be needed Thursday afternoon and evening. LMZ643>646-062100- Sheboygan to Port Washington WI- Port Washington to North Point Light WI- North Point Light to Wind Point WI- Wind Point WI to Winthrop Harbor IL- 347 PM CDT Wed Jul 5 2017 This Hazardous Weather Outlook is for portions of Lake Michigan. .DAY ONE...Tonight Thunderstorms are possible with gusty winds to 40 mph occurring ahead of the storms. .DAYS TWO THROUGH SEVEN...Thursday through Wednesday Severe thunderstorms are expected for late Thursday afternoon into Thursday night. The primary threats will be damaging wind and large hail. There also is a chance of thunderstorms on Sunday. Halbach www.weather.gov/mkx
In the hours before
Special weather statement, Jul 5, 4:57 PM CDT, 3 hours 44 minutes before
Special Weather Statement National Weather Service Milwaukee/Sullivan WI 457 PM CDT WED JUL 5 2017 WIZ065-066-070-071-052215- Walworth-Waukesha-Milwaukee-Racine- 457 PM CDT WED JUL 5 2017 ...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN WALWORTH... NORTHWESTERN RACINE AND SOUTHEASTERN WAUKESHA COUNTIES... At 457 PM CDT, a strong thunderstorm was located over Big Bend, or near Mukwonago, moving south at 10 mph. Winds in excess of 30 mph and pea size hail are possible with this storm. Locations impacted include... New Berlin, Muskego, Mukwonago, Wind Lake, Big Bend, Waterford North, Potter Lake, Waterford and Honey Creek. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. LAT...LON 4291 8839 4300 8810 4282 8804 4272 8831 TIME...MOT...LOC 2157Z 343DEG 11KT 4287 8824 HENTZ
Special weather statement, Jul 5, 5:15 PM CDT, 3 hours 26 minutes before
Special Weather Statement National Weather Service Milwaukee/Sullivan WI 515 PM CDT WED JUL 5 2017 WIZ065-066-071-052245- Waukesha-Milwaukee-Racine- 515 PM CDT WED JUL 5 2017 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN MILWAUKEE... NORTHWESTERN RACINE AND SOUTHEASTERN WAUKESHA COUNTIES... At 515 PM CDT, a strong thunderstorm was located over New Berlin, moving south at 10 mph. Winds in excess of 30 mph and pea size hail are possible with this storm. Locations impacted include... Milwaukee, Waukesha, West Allis, Wauwatosa, New Berlin, Brookfield, Greenfield, Oak Creek, Muskego, Greendale, Hales Corners, Elm Grove, Wind Lake, Big Bend, Waterford North and Milwaukee Co Zoo. Torrential rainfall is also occurring with this storm, and may cause localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. LAT...LON 4301 8827 4306 8804 4289 8794 4278 8824 TIME...MOT...LOC 2215Z 343DEG 10KT 4297 8813 HENTZ
Special weather statement, Jul 5, 5:30 PM CDT, 3 hours 11 minutes before
Special Weather Statement National Weather Service Milwaukee/Sullivan WI 530 PM CDT WED JUL 5 2017 WIZ071-052300- Racine- 530 PM CDT WED JUL 5 2017 ...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN RACINE COUNTY... At 530 PM CDT, a strong thunderstorm was located over Waterford North, or near Wind Lake. the storm is nearly stationary. Winds in excess of 30 mph and half inch hail are possible with this storm. Locations impacted include... Wind Lake, Rochester, Waterford North, Eagle Lake, Waterford and Honey Creek. Torrential rainfall is also occurring with this storm, and may cause localized flooding. Do not drive your vehicle through flooded roadways. LAT...LON 4284 8831 4284 8814 4270 8808 4270 8831 TIME...MOT...LOC 2230Z 336DEG 4KT 4280 8824 MRC
Special weather statement, Jul 5, 5:57 PM CDT, 2 hours 44 minutes before
Special Weather Statement
National Weather Service Milwaukee/Sullivan WI
557 PM CDT WED JUL 5 2017
WIZ070>072-052330-
Walworth-Racine-Kenosha-
557 PM CDT WED JUL 5 2017
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHERN WALWORTH...
WESTERN RACINE AND WESTERN KENOSHA COUNTIES...
At 556 PM CDT, radar indicated strong thunderstorms were located
along a line extending from near Rochester to near Lake Geneva to
Walworth. Movement was south at 10 mph.
Winds in excess of 30 mph are possible with these storms.
Locations impacted include...
Elkhorn, Delavan, Lake Geneva, Twin Lakes, Union Grove, Paddock Lake,
Williams Bay, Camp Lake, Rochester, Genoa City, Walworth, Silver
Lake, Richmond, Fontana-On-Geneva Lake, Sharon, Darien, Powers Lake,
Browns Lake, Como and Pell Lake.
Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 4260 8872 4268 8837 4282 8812 4265 8799
4249 8820 4249 8873
TIME...MOT...LOC 2256Z 352DEG 10KT 4276 8817 4262 8837 4255 8862
HENTZSpecial weather statement, Jul 5, 8:04 PM CDT, 37 minutes before
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</html>Special weather statement, Jul 5, 8:41 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 8:04 PM CDT | Special Weather Statement | MKX | Sauk | 26 min |
Nearby
Special Weather Statements in Wisconsin, 2017Every special weather statement in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.